Remove impossible space hierarchy size string

res/css/structures/_SpaceHierarchy.scss

@@ -70,6 +70,12 @@ limitations under the License.
         font-size: $font-15px;
         line-height: $font-24px;
         color: $primary-fg-color;
+        margin-bottom: 12px;
+
+        > h4 {
+            font-weight: $font-semi-bold;
+            margin: 0;
+        }
 
         .mx_AccessibleButton {
             padding: 4px 12px;

src/components/structures/SpaceHierarchy.tsx

@@ -444,18 +444,6 @@ const SpaceHierarchy = ({
     if (loading) {
         content = <Spinner />;
     } else {
-        const numRooms = Array.from(filteredRoomSet).filter(r => !r.room_type).length;
-        const numSpaces = filteredRoomSet.size - numRooms - 1; // -1 at the end to exclude the space we are looking at
-
-        let countsStr;
-        if (numSpaces > 1) {
-            countsStr = _t("%(count)s rooms and %(numSpaces)s spaces", { count: numRooms, numSpaces });
-        } else if (numSpaces > 0) {
-            countsStr = _t("%(count)s rooms and 1 space", { count: numRooms, numSpaces });
-        } else {
-            countsStr = _t("%(count)s rooms", { count: numRooms, numSpaces });
-        }
-
         let manageButtons;
         if (space.getMyMembership() === "join" && space.currentState.maySendStateEvent(EventType.SpaceChild, userId)) {
             const selectedRelations = Array.from(selected.keys()).flatMap(parentId => {
@@ -582,7 +570,7 @@ const SpaceHierarchy = ({
 
         content = <>
             <div className="mx_SpaceHierarchy_listHeader">
-                { countsStr }
+                <h4>{ query.trim() ? _t("Results") : _t("Rooms and spaces") }</h4>
                 <span>
                     { additionalButtons }
                     { manageButtons }

src/i18n/strings/en_EN.json

@@ -2811,10 +2811,6 @@
     "This room is suggested as a good one to join": "This room is suggested as a good one to join",
     "Suggested": "Suggested",
     "Your server does not support showing space hierarchies.": "Your server does not support showing space hierarchies.",
-    "%(count)s rooms and %(numSpaces)s spaces|other": "%(count)s rooms and %(numSpaces)s spaces",
-    "%(count)s rooms and %(numSpaces)s spaces|one": "%(count)s room and %(numSpaces)s spaces",
-    "%(count)s rooms and 1 space|other": "%(count)s rooms and 1 space",
-    "%(count)s rooms and 1 space|one": "%(count)s room and 1 space",
     "Select a room below first": "Select a room below first",
     "Failed to remove some rooms. Try again later": "Failed to remove some rooms. Try again later",
     "Removing...": "Removing...",
@@ -2822,6 +2818,8 @@
     "Mark as suggested": "Mark as suggested",
     "No results found": "No results found",
     "You may want to try a different search or check for typos.": "You may want to try a different search or check for typos.",
+    "Results": "Results",
+    "Rooms and spaces": "Rooms and spaces",
     "Search names and descriptions": "Search names and descriptions",
     "Private space": "Private space",
     "<inviter/> invites you": "<inviter/> invites you",